Design Whatsapp: System Design Interview w/ a Ex-Meta Senior Manager

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📝 Full written breakdown: https://hellointerview.com/youtube/wh... 💪 Practice this problem with live AI feedback: https://hellointerview.com/practice/y... ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 00:00 Intro 01:14 The Approach 02:10 Requirements 09:40 Core Entities 12:29 API 17:23 High-Level Design 31:53 Deep Dives 54:59 Conclusion A step-by-step breakdown of the popular FAANG+ system design interview question, Design Whatsapp, which is asked at top companies like Meta, Google, Amazon, Microsoft, and more. Stefan, a former Meta senior manager and current co-founder of Hello Interview, walks through the problem from the perspective of a candidate and an interviewer who has observed a number of engineers solving this problem. Resources: 1. Detailed write up of the problem: https://www.hellointerview.com/learn/... 2. Real-Time Updates deep dive (connections, pub/sub, consistent hashing): https://www.hellointerview.com/learn/... 3. System Design In a Hurry: https://www.hellointerview.com/learn/... 4. Vote for the question you want us to do next: https://www.hellointerview.com/learn/... Connect with me on LinkedIn:   / stefanmai   Preparing for your upcoming interviews and want to practice with top FAANG interviewers like Stefan? Book a mock interview at www.hellointerview.com. Good luck with your upcoming interviews!